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Luda [366]
3 years ago
12

How long ago did water form on earth

Biology
1 answer:
slega [8]3 years ago
5 0

4.6 billion years ago

The study pushes back the clock on the origin of Earth's water by hundreds of millions of years, to around 4.6 billion years ago, when all the worlds of the inner solar system were still forming. Scientists had suspected that our planet formed dry, with high-energy impacts creating a molten surface on the infant Earth.

i hope this helped, have a nice day! (o:

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Answer:

The amount of fossil fuels formed is much less than the amount used.

Explanation:

Fossil fuels, which include petroleum, coal, natural gas etc are an example of non-renewable sources of energy. They are termed non-renewable because they are sources that gets exhausted quickly without replenishment.

One of the characteristics of non-renewable sources of energy is that they get exhausted faster than they can be produced. Hence, regarding fossil fuels as an example of non-renewable source of energy, this means that the amount of fossil fuels formed is much less than the amount used.

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What is the green pigment found in the chloroplasts of both plants and algae?
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The correct answer is A - chlorophyll.

It is a green pigment found in the chloroplasts of green plants. Chloroplasts are mostly found in the leaves of green plants and also in some algae.

Plants use chlorophyll to trap light energy from the sun. Without the light energy, plants cannot be able to carry out the process of photosynthesis, which converts water and carbon dioxide  into starch that plants use for food. 

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New Zealand has a population of 4,326,380 and has an area of 103,736 mi2 while Australia has an area of 2,967,909 mi2
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Answer:

New Zealand: 46 people per square mile.

Australia: 7 people per square mile.

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